fis

1 files changed, 50 insertions, 0 deletions

diff --git a/app/led.c b/app/led.c
new file mode 100644
index 0000000..ddbbc34
--- /dev/null
+++ b/app/led.c
@@ -0,0 +1,50 @@
+#include "project.h"
+
+
+static int led = 0;
+
+void
+led_init (void)
+{
+  gpio_set_mode (GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
+                 GPIO_CNF_OUTPUT_PUSHPULL, GPIO9);
+
+  gpio_set (GPIOA, GPIO9);
+}
+
+
+void
+led_blink (void)
+{
+  gpio_set (GPIOA, GPIO9);
+  led = 50;
+}
+
+void
+led_tick (void)
+{
+
+#if 0
+  if (led)
+    {
+      led--;
+      if (!led)
+        gpio_clear (GPIOA, GPIO9);
+    }
+#else
+  static int c;
+
+  c++;
+  if (c > 1000)
+    {
+      led ^= 1;
+      if (led)
+        gpio_set (GPIOA, GPIO9);
+      else
+        gpio_clear (GPIOA, GPIO9);
+
+
+      c = 0;
+    }
+#endif
+}